Publications
The Excavated Past: Grounded Evidence
Recent archaeological research at Ban Chiang sheds new light on the site's chronology and cultural significance from the second millennium BCE to 200 CE. The study, published in 'Designs on Pots,' integrates findings from metal and ceramic artifacts with burial analysis to refine regional dating and interpret regional interactions. Notably, it addresses debates around Ban Chiang's chronological placement relative to other Khorat plateau sites, providing a more precise framework for understanding its development. Speculations about infant and young child burials also offer insights into societal practices during this period.
The Personal Past: Designs on Pots
This chapter delves into the intersection of personal narrative and archaeological research, focusing on painted pottery from Ban Chiang, Thailand. It highlights how individual experiences and chance encounters, such as tracing looted pottery across public and private collections, shape research agendas in anthropology. The study also addresses ethical considerations and advocacy in the field, while employing a blend of methodological rigor and theoretical reflection to explore the broader implications of archaeological findings.
Prehistoric Copper Production and Exchange in Southeast Asia
A major lead isotope provenancing program reveals the extensive exchange of copper from the Khao Wong Prachan Valley (KWPV) in central Thailand to consumer sites like Ban Non Wat, while Vilabouly Complex copper was distributed southward to Ban Chiang. This study highlights the critical role of copper production and consumption behaviors in reinforcing social networks essential for regional technology transfer during the later Holocene in Mainland Southeast Asia. Archaeological evidence from Phu Lon (northeastern Thailand), KWPV, and Sepon (central Laos) demonstrates significant mining and smelting activities dating back to the late second millennium BC and beyond. The research synthesizes chaînes opératoires—sequences of operations in metalworking—to trace the origins and movement of copper across the region.
Ban Chiang, Northeast Thailand, Volume 2: Metals
Excavations at Ban Chiang, Northeast Thailand, revealed groundbreaking evidence of early metallurgy in Southeast Asia, with copper or bronze artifacts dating to the fourth millennium BCE (possibly as early as 3600 BCE) and iron artifacts from the second millennium BCE. These findings suggest an independent development of metallurgy in the region, challenging previous assumptions about technological diffusion. Conducted by the Thailand Fine Arts Department and the University of Pennsylvania between 1974 and 1975, this large-scale excavation aimed to study prehistoric pottery and metal artifacts in their original context amid significant looting pressures. The site's archaeological significance later led to its inclusion on the UNESCO World Heritage List.
The metal age of Thailand and Ricardo's Law of Comparative Advantage
A systematic analysis of metal assemblages from Ban Chiang and related sites in northeast Thailand challenges traditional top-down interpretations of the region's metal age development. The study proposes a testable model based on Ricardo's Law of Comparative Advantage, which emphasizes regional exchange systems as the foundation for resilient, peaceful prehistoric societies dating from approximately 2100 BCE to 300 CE. These networks facilitated heterarchical political and economic systems, where goods and valuables circulated among decentralized communities in the middle Mekong and Chao Phraya basins, both before and during the metal age.
Whose Prehistory? Thailand before the Thais
Archaeological investigations at Ban Chiang, northeast Thailand, revealed significant Neolithic and Bronze Age sites that challenged French colonial theories of cultural diffusion. These findings, uncovered by joint Thai-American missions in the 1960s–70s, were intertwined with Cold War politics, leading to extensive artifact transfers, including to The University Museum, Philadelphia. Ban Chiang later gained UNESCO World Heritage status but remains peripherally remembered in Thai cultural memory despite its archaeological significance.
Excavating Southeast Asia’s prehistory in the Cold War: American archaeology in neocolonial Thailand
Ban Chiang Archaeological Site emerged as a pivotal discovery in Southeast Asian archaeology during the 1960s and 1970s. Excavations revealed an autonomous Bronze Age tradition, challenging the prevailing colonial narrative that depicted Southeast Asia as culturally dependent on India and China. This finding not only reshaped understanding of regional prehistory but also sparked international debate about the origins of world metallurgy, although later dating revisions complicated this narrative. The study by Peleggi (2015) goes beyond these archaeological insights to critically examine how American archaeological knowledge production in Thailand was intertwined with Cold War politics and Thailand's neocolonial relationship with the United States. It highlights the militarized context of excavations, which occurred amid the Vietnam War, revealing the complex interplay between scientific inquiry and geopolitical dynamics.
The first microbeam synchrotron X-ray fluorescence beamline at the Siam Photon Laboratory
A groundbreaking microbeam synchrotron X-ray fluorescence (µ-SXRF) beamline at the Siam Photon Laboratory has demonstrated its capability to distinguish elemental distributions on ancient pottery from Ban Chiang. This advancement leverages synchrotron radiation focused to micrometer precision using an X-ray capillary half-lens, enabling non-destructive analysis of cultural heritage materials. The beamline, initially designed for deep X-ray lithography, was adapted for µ-SXRF and synchrotron X-ray powder diffraction (SXPD) through strategic modifications, including the installation of a Si(111) crystal and specialized end-stations. Performance testing on Ban Chiang pottery confirmed the technique's ability to resolve elemental surface profiles with high precision, marking a significant leap in archaeological material analysis.
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